<template>
  <div class="app-container">
    <el-form
      class="searchform"
      :model="queryParams"
      ref="queryForm"
      :inline="true"
      v-show="showSearch"
    >
      <el-form-item label="打印机名" prop="printerName">
        <el-input
          v-model="queryParams.printerName"
          placeholder="请输入打印机名"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="打印机类型" prop="printerType">
        <el-select
          v-model="queryParams.printerType"
          placeholder="请选择打印机类型"
          clearable
          size="small"
        >
          <el-option
            v-for="dict in dict.type.sys_printer_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="是否禁用" prop="state">
        <el-select
          v-model="queryParams.state"
          placeholder="请选择状态"
          clearable
          size="small"
        >
          <el-option
            v-for="dict in dict.type.is_or_no"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <div class="table-wrapper">
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            >新增</el-button
          >
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="success"
            plain
            icon="el-icon-edit"
            size="mini"
            :disabled="single"
            @click="handleUpdate"
            >修改</el-button
          >
        </el-col>
        <el-col :span="1.5">
          <el-button
            v-if="queryParams.delFlag == '0'"
            type="danger"
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete(null, '1')"
            >禁用</el-button
          >
          <el-button
            v-else
            type="danger"
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete(null, '0')"
            >启用</el-button
          >
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="warning"
            plain
            icon="el-icon-download"
            size="mini"
            @click="handleExport"
            v-hasPermi="['system:printer:export']"
            >导出</el-button
          >
        </el-col>
        <right-toolbar
          :showSearch.sync="showSearch"
          @queryTable="getList"
        ></right-toolbar>
      </el-row>

      <el-table
        v-loading="loading"
        :data="printerList"
        @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="打印机名" align="center" prop="printerName" />
        <el-table-column label="打印机类型" align="center" prop="printerType">
          <template slot-scope="scope">
            <dict-tag
              :options="dict.type.sys_printer_type"
              :value="scope.row.printerType"
            />
          </template>
        </el-table-column>
        <el-table-column label="排序" align="center" prop="sort" />
        <el-table-column label="创建人" align="center" prop="createBy" />
        <el-table-column label="备注" align="center" prop="remark" />
        <el-table-column
          label="操作"
          align="center"
          class-name="small-padding fixed-width"
        >
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              >修改</el-button
            >
            <el-button
              v-if="scope.row.state == '0'"
              size="mini"
              type="text"
              @click="handleDelete(scope.row, '1')"
              >禁用</el-button
            >
            <el-button
              v-else
              size="mini"
              type="text"
              @click="handleDelete(scope.row, '0')"
              >启用</el-button
            >
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total > 0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />
    </div>

    <!-- 添加或修改打印机管理对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      width="500px"
      append-to-body
      :close-on-click-modal="false"
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="打印机名" prop="printerName">
          <!--<el-input v-model="form.printerName" placeholder="请输入打印机名" />-->
          <el-select v-model="form.printerName" placeholder="请选择打印机名称">
            <el-option
              v-for="printerName in localPrinterList"
              :key="printerName"
              :label="printerName"
              :value="printerName"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="打印机类型" prop="printerType">
          <el-select v-model="form.printerType" placeholder="请选择打印机类型">
            <el-option
              v-for="dict in dict.type.sys_printer_type"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input-number
            v-model="form.sort"
            controls-position="right"
            :min="0"
          />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input
            v-model="form.remark"
            type="textarea"
            @input.native="autoTextarea($event)"
            placeholder="请输入备注"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listPrinter,
  getPrinter,
  delPrinter,
  addPrinter,
  updatePrinter,
} from "@/api/system/printer";
import { getLodop } from "@/utils/lodop/LodopFuncs";

export default {
  name: "Printer",
  dicts: ["sys_printer_type", "is_or_no"],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 本地打印机列表
      localPrinterList: [],
      // 打印机管理表格数据
      printerList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        printerName: null,
        printerType: null,
        delFlag: "0",
      },
      options: [],
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        printerName: [
          { required: true, message: "打印机名不能为空", trigger: "blur" },
        ],
        printerType: [
          { required: true, message: "打印机类型不能为空", trigger: "blur" },
        ],
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 多行文本域高度随内容自适应 */
    autoTextarea(e) {
      var _that = this;
      var currentTarget = e.target;
      this.$nextTick(function () {
        var scrollHeight = currentTarget.scrollHeight;
        var height = currentTarget.offsetHeight; // 屏幕上显示的高度
        if (height <= scrollHeight && height < _that.maxHeight) {
          currentTarget.style.height = "auto"; // 恢复默认值，这个作用就是根据内容自适应textarea高度
          currentTarget.style.height = currentTarget.scrollHeight + "px"; // 拿到最新的高度改变textarea的高度
        }
      });
    },
    initialLocalPrinters() {
      this.localPrinterList = [];
      const LODOP = getLodop();
      const printerCounter = LODOP.GET_PRINTER_COUNT();
      // LODOP.Create_Printer_List()
      console.log(LODOP);

      for (let i = 0; i < printerCounter; i++) {
        this.localPrinterList.push(LODOP.GET_PRINTER_NAME(i));
      }
    },
    /** 查询打印机管理列表 */
    getList() {
      this.loading = true;
      listPrinter(this.queryParams).then((response) => {
        this.printerList = response.rows;
        this.total = response.total;
      });
      this.loading = false;
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        printerName: null,
        delFlag: null,
        residentId: null,
        sort: null,
        createBy: null,
        createId: null,
        createTime: null,
        updateBy: null,
        updateId: null,
        updateTime: null,
        remark: null,
        printerType: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.names = selection.map((item) => item.printerName);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.initialLocalPrinters();
      this.open = true;
      this.title = "添加打印机管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getPrinter(id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改打印机管理";
      });
      this.initialLocalPrinters();
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updatePrinter(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addPrinter(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row, status) {
      let ids;
      if (row == null) {
        ids = this.ids;
      } else {
        ids = row.id || this.ids;
      }
      let str = "";
      if (status == "1") {
        str = "禁用";
      } else {
        str = "启用";
      }
      const name = row ? row.printerName : this.names;
      this.$modal
        .confirm("是否确认" + str + '打印机名为"' + name + '"的数据项？')
        .then(function () {
          return delPrinter(ids, status);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess(str + "成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "system/printer/export",
        {
          ...this.queryParams,
        },
        `printer_${new Date().getTime()}.xlsx`
      );
    },
  },
};
</script>
